涡轮增压器压气机级性能仿真预测研究

摘要

采用Fine/Turbo软件对H145涡轮增压嚣压气机级进行数值模拟及流场分析.介绍了涡轮增压嚣压气机级建模及分析过程,分析了不同模拟方法对最终模拟结果的影响.结果表明,采用CFD数值模拟和流场分析的方法对压气机级性能进行预测是可行的,可以满足增压嚣多方案性能优化连型需求.%With the Fine/Turbo software, the numerical simulation and flow field analysis of H145 turbocharger were carried out. The process of modeling and analyzing for turbocharger compressor was introduced and the influences of different simulation methods on final results were analyzed. The result indicates that it is feasible to predict the compressor performance by u-sing the method of flow field analysis and numerical simulation, which provides a choice for the multi-scheme performance optimization.